Collapse of the critical state in superconducting niobium

被引：24

作者：

Prozorov, Ruslan ^{[1
]}

Shantsev, Daniel V.

Mints, Roman G.

机构：

[1] Iowa State Univ, Ames Lab, Ames, IA 50011 USA

[2] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA

[3] Univ Oslo, Dept Phys, N-0316 Oslo, Norway

[4] AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia

[5] Tel Aviv Univ, Raymond & Beverly Sackler Fac Exact Sci, Sch Phys & Astron, IL-69978 Tel Aviv, Israel

来源：

PHYSICAL REVIEW B | 2006年 / 74卷 / 22期

关键词：

D O I：

10.1103/PhysRevB.74.220511

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Giant abrupt changes in the magnetic-flux distribution in niobium foils were studied by using magneto-optical visualization, thermal, and magnetic measurements. Uniform flux jumps and sometimes almost total catastrophic collapse of the critical state are reported. Results are discussed in terms of thermomagnetic instability mechanism with different development scenarios.

引用

页数：4

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